Overview

overview

10

Static

static

6

65f8c9bb3f...54.apk

android-9-x86

10

65f8c9bb3f...54.apk

android-13-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    11-01-2025 17:12

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General

  • Target

    65f8c9bb3f72662cf1b58c853d05a522a0c547133d74f00eafc5810d1c00d054.apk

  • Size

    8.9MB

  • MD5

    6dcc6f70622aa603fffa7b5c781645d2

  • SHA1

    6700f83ae240b39a7d7438c0e24a9b084dbb58f2

  • SHA256

    65f8c9bb3f72662cf1b58c853d05a522a0c547133d74f00eafc5810d1c00d054

  • SHA512

    7b79c0256de410b9b014e7a76f7f6ea3d942aa56ab6c0dc2171704ba6483bd7595e850bf0480708e3b099c36b2c66dc6284d633230eaee7bf1e2d53d51c082cc

  • SSDEEP

    98304:vjZbaTMImrVKC2abj7j5iSRGcuRstRuRxwMN/0wtsGRJ1xEjK9aZwuN8/AIIP:wwUpGj7jrMRSWi8/0KHyFp

Score
10/10
octobankercollectioncredential_accessdiscoveryevasionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

octo

C2

https://2124edca28e866d7953fe775a71a44e6.biz

AES_key
AES_key

Signatures

  • Octo

    Octo is a banking malware with remote access capabilities first seen in April 2022.

    bankertrojaninfostealerratocto
  • Octo family
    octo
  • Octo payload 1 IoCs
  • Checks Android system properties for emulator presence. 1 TTPs 1 IoCs
    evasion
  • Loads dropped Dex/Jar 1 TTPs 3 IoCs

    Runs executable file dropped to the device during analysis.

    evasion
  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectionevasioncredential_access
  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
    bankerdiscovery
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • Acquires the wake lock 1 IoCs
  • Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

    Application may abuse the framework's foreground service to continue running in the foreground.

    evasionpersistence
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
    discovery
  • Reads information about phone network operator. 1 TTPs
    discovery
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
    evasion
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
    persistence
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
    impact
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.volume_virtualwv56
    1⤵
    • Checks Android system properties for emulator presence.
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Queries the mobile country code (MCC)
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4228
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.volume_virtualwv56/app_trophy/dEtLkC.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.volume_virtualwv56/app_trophy/oat/x86/dEtLkC.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4253

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

1
T1624

Broadcast Receivers

1
T1624.001

Foreground Persistence

1
T1541

Privilege Escalation

Defense Evasion

Download New Code at Runtime

1
T1407

Foreground Persistence

1
T1541

Hide Artifacts

1
T1628

User Evasion

1
T1628.002

Input Injection

1
T1516

Virtualization/Sandbox Evasion

3
T1633

System Checks

3
T1633.001

Credential Access

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Discovery

Software Discovery

1
T1418

Security Software Discovery

1
T1418.001

System Information Discovery

2
T1426

System Network Configuration Discovery

4
T1422

Lateral Movement

Collection

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Screen Capture

1
T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

1
T1471

Input Injection

1
T1516

Replay Monitor

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Downloads

  • /data/data/com.volume_virtualwv56/.global.com.volume_virtualwv56
    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

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  • /data/data/com.volume_virtualwv56/app_trophy/dEtLkC.json
    Filesize

    1020B

    MD5

    8f307acfb70b2b7b37c7ee5432df0d14

    SHA1

    a9adfff2819ecfc819baecfaf1871a4977807818

    SHA256

    f0794e3453791579155d5667be6aa47936c4ec91cc1921f8a9a40ade4506b48b

    SHA512

    49959d8c220873c185260b2545ea05db50d588b1d42196a0defe8f53d62b761862244fd1837b3cea9f6fc8e152ac494ea966311feda5d858ed5471f4ccdb2dbf

    Download Submit

  • /data/data/com.volume_virtualwv56/app_trophy/dEtLkC.json
    Filesize

    1020B

    MD5

    5b006aad7a4d0d6aa60b530b1dae2e9f

    SHA1

    90d1e015adc5a6b013b658842ec2b4c6de457269

    SHA256

    e76f880e0bfb468249a08625810d85981abae2b425cb98d99a81cddb3c64e6d1

    SHA512

    0ed8214a0e34d6ec3870b122e1c09a4f5acc7714235e9ebf44589caf334e3da4e1e3bd9cd331ad10b61cb2672d16cd9c54ff818f54a029164bfff79fe6a83ff5

    Download Submit

  • /data/data/com.volume_virtualwv56/files/.n
    Filesize

    307KB

    MD5

    4e73947cabb5db3f92ca85004981b754

    SHA1

    6d9667fdb0280ed2dcb782b4683e422a51bdc601

    SHA256

    6db94232e756b90ed437f1bc87dc38cf20fb2e7c7a19a5e40c6c17254b7e234c

    SHA512

    be8b500a7070af1dfb53b0cf1a7b327dadc4e163a6dad905496ac228c58cd1ed87b054533917924455d35e9b300683ae33e1bcdd91935a5dbae1d693c3e13d69

    Download Submit

  • /data/user/0/com.volume_virtualwv56/app_trophy/dEtLkC.json
    Filesize

    1KB

    MD5

    9b09c393a559c015cdcf9da9aedc3f66

    SHA1

    c4c91520c2b25f95298fd2db339ed979c9429ede

    SHA256

    5535df93f6175b5242399d03bb282ef95fabd8cb0be30f8c4a43d11238b5ba1d

    SHA512

    116e26006001998d29235b7411e3d9bcfdba78e1cef1032ff4406de649ee6934cd9a4c1e15a60a7ddb8de7e750b74a76a1c848d31eeba63048670e1948dc649b

    Download Submit

  • /data/user/0/com.volume_virtualwv56/app_trophy/dEtLkC.json
    Filesize

    1KB

    MD5

    22981af3dd22a182ad6710e6e1d643c7

    SHA1

    2a48fc66ba6c3bfde14762f9e376cfc849fde6f2

    SHA256

    300e3d656634de5a00cf029e98fa1838647a405ffdf94662b9d820fe77bb20ba

    SHA512

    6abd302c32a0f6b192d19ddb4f4aa1afba0d9db11feb9a18b88cdfd8a07fdf342cf80f65685dde81f40b4f948742fd24f2504ac8927b3ba9ad2d96a1d93899c5

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  • Anonymous-DexFile@0xd4334000-0xd43b7858
    Filesize

    526KB

    MD5

    883f2e03d3a1ddf284076163f260cef9

    SHA1

    dc72c8faa9287f9d017055df37286028aaaeebb0

    SHA256

    023b016dd834983efa539ebb822bb85b6ed88849c093f94a36b8588c2dad5817

    SHA512

    e03d9ca69f4bc92438e78d98e139a48bc032533c9be6e7d2c0de481605f4378986197ee0be6516a97e0d196f1928b07afc21000c7cc1b038c6de3eb8a3fc4293

    Download Submit